/* ===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------===
 *
 *               The LLVM Compiler Infrastructure
 *
 * This file is dual licensed under the MIT and the University of Illinois Open
 * Source Licenses. See LICENSE_LLVM.TXT for details.
 *
 * ===----------------------------------------------------------------------===
 *
 * This file implements __bswapdi2 for the compiler_rt library.
 *
 * ===----------------------------------------------------------------------===
 */

#include "int_lib.h"

COMPILER_RT_ABI uint64_t
__bswapdi2(uint64_t u)
{
    return ((((u)&0xff00000000000000ULL) >> 56) | (((u)&0x00ff000000000000ULL) >> 40) | (((u)&0x0000ff0000000000ULL) >> 24)
        | (((u)&0x000000ff00000000ULL) >> 8) | (((u)&0x00000000ff000000ULL) << 8) | (((u)&0x0000000000ff0000ULL) << 24)
        | (((u)&0x000000000000ff00ULL) << 40) | (((u)&0x00000000000000ffULL) << 56));
}
